/*    * Copyright (c) 2002, Intel Corporation. All rights reserved. * Created by:  julie.n.fleischer REMOVE-THIS AT intel DOT com * This file is licensed under the GPL license.  For the full content * of this license, see the COPYING file at the top level of this  * source tree. * Test that timer_gettime() returns a relative amount even on * absolute timers. * - Create and arm an absolute timer. * - Call timer_gettime() * - Ensure the value returned is within ACCEPTABLEDELTA less than *   the value set.  If it is, the values returned were indeed relative. * * Signal SIGCONT will be used so that it will not affect the test if * the timer expires. * Clock CLOCK_REALTIME will be used. */#include <time.h>#include <signal.h>#include "compat.h"#include "posixtest.h"#define TIMERSEC 2#define SLEEPDELTA 3#define ACCEPTABLEDELTA 1timer_t tid;pthread_t th;void *th_code(void *arg){	struct itimerspec itsset, itsget;	struct timespec ts;	int flags = 0;	int delta;	if (clock_gettime(CLOCK_REALTIME, &ts) != 0) {		perror("clock_gettime() did not return success\n");		return PTS_UNRESOLVED;	}	itsset.it_interval.tv_sec = 0;	itsset.it_interval.tv_nsec = 0;	itsset.it_value.tv_sec = ts.tv_sec+TIMERSEC;	itsset.it_value.tv_nsec = ts.tv_nsec;	ts.tv_sec=TIMERSEC+SLEEPDELTA;	ts.tv_nsec=0;	flags |= TIMER_ABSTIME;	if (timer_settime(tid, flags, &itsset, NULL) != 0) {		perror("timer_settime() did not return success\n");		return PTS_UNRESOLVED;	}	if (timer_gettime(tid, &itsget) != 0) {		perror("timer_gettime() did not return success\n");		return PTS_UNRESOLVED;	}	/* TEST BUG -> should be compared with relative seconds not absolute*/	//	delta =itsset.it_value.tv_sec - itsget.it_value.tv_sec;	delta =TIMERSEC - itsget.it_value.tv_sec;	if (delta < 0) {		printf("FAIL:  timer_gettime() value > timer_settime()\n");		printf("%d > %d\n", (int) itsget.it_value.tv_sec, 			(int) TIMERSEC);		return PTS_FAIL;	}	if (delta <= ACCEPTABLEDELTA) {		printf("Test PASSED\n");		return PTS_PASS;	} else {		printf("FAIL:  timer_gettime() value !~= timer_settime()\n");		printf("%d !~= %d\n", (int) itsget.it_value.tv_sec, 			(int) TIMERSEC);		return PTS_FAIL;	}	printf("This code should not be executed\n");	return PTS_UNRESOLVED;}int init_module(void){  int err=0;  struct sigevent ev;  ev.sigev_notify = SIGEV_SIGNAL;  ev.sigev_signo = SIGCONT;  if (timer_create(CLOCK_REALTIME, &ev, &tid) != 0) {    perror("timer_create() did not return success\n");    return PTS_UNRESOLVED;  }  err=pthread_create(&th,NULL,th_code,0);  return err;}void cleanup_module(void){  timer_delete(tid);  pthread_delete_np(th);}